Sunwayman V60C Rechargeable LED Flashlight with 728 Lumen CREE XM-L T6 LED, Black CREE XM-L U2 LED; 798 Lumens; with a lifetime of 50,000 hours Uses 3 x 18650 batteries (V60C charging base can be applied to charge the batteries); or 6 x CR123A primary batteries; or 6 x 16340 Waterproof, in accordance with IPX-8 standard